Optimized Signal Processing for FMCW Interrogated Reflective Delay Line-Type SAW Sensors

被引：5
作者：
Viikari, Ville [1 ]
Kokkonen, Kimmo [2 ]
Meltaus, Johannna [1 ]
机构：
[1] VTT, Tech Res Ctr Finland, Espoo, Finland
[2] Aalto Univ, Espoo, Finland
来源：
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL | 2008年 / 55卷 / 11期
关键词：
D O I：
10.1109/TUFFC.961
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
This correspondence presents an optimized frequency modulated continuous-wave (FMCW) interrogation procedure for reflective delay line-type SAW sensors. lit this method, the time delays between reflections are obtained with Fourier transform from optimally windowed frequency response. Optimal window functions maximize the signal-to-interference ratio kit chosen temporal points of interest. The method is experimentally verified and its accuracy is compared with that of a Fourier transform from Hamming-windowed frequency response.
引用
收藏
页码：2522 / 2526
页数：5
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